CVE-2026-20171

A vulnerability in the Border Gateway Protocol BGP enforce-first-as feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, remote attacker to trigger BGP peer flaps, resulting in a denial of service DoS condition...

PT-2026-42190

Name of the Vulnerable Software and Affected Versions Cisco Nexus 3000 Series Switches versions prior to 10.61s Cisco Nexus 9000 Series Switches versions prior to 10.61s Description A flaw in the Border Gateway Protocol BGP enforce-first-as feature of Cisco Nexus 3000 and 9000 Series Switches in...

EUVD-2025-27688

Malicious code in bioql PyPI...

Vulnerabilities fixed in Cisco NX-OS Software

Cisco has fixed vulnerabilities in Cisco NX-OS Software for Nexus 3000 and 9000 Series Switches. The vulnerabilities are in several features of the Cisco NX-OS Software, including IS-IS, PIM6, logging, command-line interface CLI, and the REST API of the Nexus Dashboard. These vulnerabilities can ...

CVE-2025-20262

A vulnerability in the Protocol Independent Multicast Version 6 PIM6 feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an authenticated, low-privileged, remote attacker to trigger a crash of the PIM6 process, resulting in a denia...

CVE-2025-20262 Cisco Nexus 3000 and 9000 Series Switches Protocol Independent Multicast Version 6 Denial of Service Vulnerability

A vulnerability in the Protocol Independent Multicast Version 6 PIM6 feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an authenticated, low-privileged, remote attacker to trigger a crash of the PIM6 process, resulting in a denia...

PT-2025-34888 · Cisco · Cisco Nexus 3000 Series Switches +1

Name of the Vulnerable Software and Affected Versions: Cisco Nexus 3000 Series Switches Cisco Nexus 9000 Series Switches Description: A vulnerability in the Protocol Independent Multicast Version 6 PIM6 feature could allow an authenticated, low-privileged, remote attacker to trigger a crash of th...

PT-2025-34889 · Cisco · Cisco Nx-Os +5

Name of the Vulnerable Software and Affected Versions: Cisco NX-OS Software for Cisco Nexus 3000 Series Switches Cisco Nexus 9000 Series Switches in standalone NX-OS mode Cisco UCS 6400 Fabric Interconnects Cisco UCS 6500 Series Fabric Interconnects Cisco UCS 9108 100G Fabric Interconnects affect...

The vulnerability of the access control list mechanism in the Cisco NX-OS operating system for Cisco Nexus 3000 and Nexus 9000 switches allows a perpetrator to gain access to network resources.

The vulnerability of the access control list mechanism in the Cisco NX-OS operating system for Cisco Nexus 3000 and Nexus 9000 switches is related to deficiencies in access control. Exploiting this vulnerability could allow an attacker to gain access to network resources remotely...

PT-2024-1909 · Cisco · Cisco Nexus 3000 Series Switches +2

Name of the Vulnerable Software and Affected Versions: Cisco Nexus 3000 and 9000 Series Switches affected versions not specified Description: A vulnerability in the access control list ACL programming for port channel subinterfaces could allow an unauthenticated, remote attacker to send traffic...

The vulnerability in the internal file management service of the Cisco NX-OS operating system for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches allows a attacker to rewrite arbitrary files.

The vulnerability of the internal file management service in the Cisco NX-OS operating system for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches lies in the use of files and directories accessible from external parties. Exploiting this vulnerability allows a malicious actor...

Cisco NX-OS Software Resource Management Error Vulnerability (CNVD-2019-32062)

Cisco Nexus 3000 Series Switches are Cisco products.Cisco Nexus 3000 Series Switches is a 3000 series switch.Cisco Nexus 3500 Platform Switches is a 3500 series platform switch.Cisco MDS 9000 Series Multilayer Switches is a MDS 9000 series multilayer switch.Cisco NX-OS Software is a set of data...

CVE-2017-12351

A vulnerability in the guest shell feature of Cisco NX-OS System Software could allow an authenticated, local attacker to read and send packets outside the scope of the guest shell container. An attacker would need valid administrator credentials to perform this attack. The vulnerability is due t...